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First Alert: Hot and humid days ahead, plus possibility of thunderstorms

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685 views14likes15:14Fox12oregonOriginal Release: 2026-07-21

A heat wave is characterized by consecutive days of high temperatures (90s°F) combined with warm nights (60s-70s°F), creating dangerous conditions for those without air conditioning. High humidity makes heat feel more oppressive because it prevents sweat from evaporating, which is the body's primary cooling mechanism. When dew point and temperature are close together, the air becomes saturated with moisture, making it impossible for sweat to escape and causing a sticky, uncomfortable feeling. This combination of heat and humidity creates health risks and reduces outdoor comfort.